ErythropoiesisHematocritErythropoietinErythroblastsErythroid Precursor CellsAnemiaErythroid CellsErythrocyte CountHemoglobinsPolycythemiaPhenylhydrazinesErythrocytesReceptors, ErythropoietinHematopoiesis, ExtramedullaryIronHemodilutionReticulocyte CountBlood Viscositybeta-ThalassemiaGATA1 Transcription FactorBloodlettingReticulocytesAnemia, HemolyticProtein Structure, TertiaryBone MarrowPlasma VolumeErythrocyte IndicesColony-Forming Units AssayHepcidinsYolk SacErythrocyte VolumeReceptors, TransferrinGlobinsAnemia, HypochromicHematopoietic Stem CellsBlood Cell CountPhlebotomyAnemia, MacrocyticHematologic TestsPolycythemia VeraHematopoiesisReticulocytosisSpleenFerritinsBlood VolumeAnemia, Iron-DeficiencyErythrocyte AgingHematinicsBone Marrow CellsCell DifferentiationErythrocyte TransfusionIron RadioisotopesHemoglobinometrybeta-GlobinsBlood TransfusionFetal Hemoglobinalpha-GlobinsAnemia, Diamond-BlackfanRecombinant ProteinsErythroid-Specific DNA-Binding FactorsExchange Transfusion, Whole BloodTransferrinLiverGlycophorinAnemia, Dyserythropoietic, CongenitalAnemia, NeonatalLeukemia, Erythroblastic, AcuteHemoglobin EAntimicrobial Cationic PeptidesMice, Inbred C57BLOxygenAltitudeKidney Failure, ChronicChromium IsotopesAnoxiaPhosphatesRenal DialysisGATA2 Transcription FactorStem Cell FactorCells, CulturedBlood ProteinsTime FactorsMice, KnockoutK562 CellsThrombopoiesisFetusGene Expression Regulation, DevelopmentalPlasma Substitutesgamma-GlobinsBasic Helix-Loop-Helix Transcription FactorsGene Expression RegulationDoping in SportsErythrocyte DeformabilityMice, TransgenicIron OverloadSplenectomyBlood Chemical AnalysisPregnanesAntigens, CD34Megakaryocytes